81394672

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137491}}^1$

素因数の和:137536

約数の個数: 20

約数和(自身を含む): 161965576

約数和(自身を除く): 80570904

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 137491, 274982, 549964, 1099928, 2199856, 5087167, 10174334, 20348668, 40697336, 81394672]

約数ペア:

[(1, 81394672), (2, 40697336), (4, 20348668), (8, 10174334), (16, 5087167), (37, 2199856), (74, 1099928), (148, 549964), (296, 274982), (592, 137491)]